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5442872657 = 8365576779
BaseRepresentation
bin1010001000110101…
…11010010101010001
3112001022201120122012
411010122322111101
542121333411112
62300031352305
7251610440255
oct50432722521
915038646565
105442872657
1123433a5872
12107a982695
13689831411
14398c26265
1521cc88022
hex1446ba551

5442872657 has 4 divisors (see below), whose sum is σ = 5508449520. Its totient is φ = 5377295796.

The previous prime is 5442872653. The next prime is 5442872693. The reversal of 5442872657 is 7562782445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7562782445 = 51512556489.

It is a cyclic number.

It is not a de Polignac number, because 5442872657 - 22 = 5442872653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5442872653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32788307 + ... + 32788472.

It is an arithmetic number, because the mean of its divisors is an integer number (1377112380).

Almost surely, 25442872657 is an apocalyptic number.

It is an amenable number.

5442872657 is a deficient number, since it is larger than the sum of its proper divisors (65576863).

5442872657 is an equidigital number, since it uses as much as digits as its factorization.

5442872657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65576862.

The product of its digits is 3763200, while the sum is 50.

The square root of 5442872657 is about 73775.8270505997. The cubic root of 5442872657 is about 1759.0413875139.

The spelling of 5442872657 in words is "five billion, four hundred forty-two million, eight hundred seventy-two thousand, six hundred fifty-seven".

Divisors: 1 83 65576779 5442872657